This is an essential piece of any serious mountain kit. Inspired by climbers, then refined to handle virtually anything, the Arcteryx Delta Jackets a go-to when thermal efficiency, stretch, and all-mountain versatility are required. The Polartec Power Dry fleeces voided grid construction delivers a high warmth-to-weight ratio and provides outstanding freedom of movement. The simplicity of design extends its versatility wear it as a mid layer in cold conditions or a standalone in cooler temperatures.
